Q 4. (a) Determine the values of a and b that make the function f(x) continuous...

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Q 4. (a) Determine the values of a and b that make the function f(x) continuous for all real numbers. 2-16 2-4 a < 4 f(a) = { ax? – br + 3 4<a < 6 2.x – a +b x 2 6 (b) Obtain f'(x) and determine its continuity. [25 points] Q 4. (a) Determine the values of a and b that make the function f(x) continuous for all real numbers. 2-16 2-4 a < 4 f(a) = { ax? – br + 3 4<a < 6 2.x – a +b x 2 6 (b) Obtain f'(x) and determine its continuity. [25 points]